Nature themes

Clownfish and sea anemone

By: ナポリタン寿司

swaying jellyfish

By: ナポリタン寿司

cool black-green theme

By: zalpaw

Spalax theme

By: JorgeTheBuho345

Winter Berries

By: Eric

Winter Cardinal

By: Eric

ChromaFloral

By: Genesis1

Water Droplets

By: ozrob

Fallen Leaves

By: ozrob

Natureza

By: Leandro

Polar Lights

By: resdek

Serenity

By: pedro678

Bug_Squad

By: tookay

The Grand Canyon

By: resdek

Sahara

By: resdek

Dark Mountain (+CSS)

By: Minkuh

Quiet Forest

By: moamen581981

Me Myself and the Stars

By: Dan Lozano

Portal

By: jewels1ng

Layers of Mountains

By: DaGamerFiles

Zorin Light - An Irish Theme

By: HealingCross

Zorin Dark - An Irish Theme

By: HealingCross

Eywa

By: resdek

Pink Mac OS

By: Medmett